Matrix of similar interfaces for 3D-footprint entry 5iwi_C

_ stats: contacts=4 Nring=3 specif=0.75
_ PDBs:  1:9foy_A,2:8qqi_C,
_ -lnE:  1:52.9,2:22.6,
_        1 2
0015 Y* YA--
0023 R  RT--
0075 S* SA--
0165 I* ICIC